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Derivatives and Hedging Activities - Schedule of Notional Value of Outstanding Foreign Currency Forward Contracts (Detail) - Foreign Exchange Forward Contracts - USD ($) $ in Millions	Jul. 25, 2025	Apr. 25, 2025
Long | Cash Flow Hedges
Derivative [Line Items]
Forward contracts, Notional Amount	$ 119	$ 81
Non Designated | Short | Balance Sheet Contracts
Derivative [Line Items]
Forward contracts, Notional Amount	$ 1,533	$ 790

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